The city of Zumala sits on the Nile Delta. Edible mushrooms feed on plastic waste and plants filter the water for residents and businesses. Suspended tubular trains carry the city’s 300,000 people from place to place, high above the buildings.

The fictional city cost less than $100 to build and was designed by 10 middle-schoolers.

When things heat up, they expand. And when that thing is the axle shaft to your drive train, you're going to have to make adjustments, or else.

Michael Guarraia kneels down next to a metal part that just popped off the rear axle. "OK guys, listen up," he tells his team. "The drive train broke again and we need to find a sustainable solution. This can't happen during the race."

The Human Engineering Research Laboratories, also known as HERL, is located on the University of Pittsburgh campus is working to improve the lives of people with disabilities. What innovative designs and concepts are in the works? HERL Director Rory Cooper shares some of the technology they have in the works.

Join us this evening beginning at 7 p.m. on 90.5 WESA for a live community forum on our city and the Americans with Disabilities Act.

With the number of science, technology, engineering and math, or STEM, jobs increasing at three times the rate of other industries, the Carnegie Science Center is encouraging schools and Pennsylvania lawmakers to focus on improving the way students learn about STEM fields.

During a Wednesday congressional briefing in Washington, D.C., science center representatives and educators outlined the Carnegie STEM Excellence Pathway, an initiative that launched in October to help schools evaluate and expand the way they teach math and science.